Question: Question: (Marks=2+3) a)A traffic control engineer reports that 75% of the vehicles passing through a checkpoint are from within the state. What is the probability

Question:

(Marks=2+3)

a)A traffic control engineer reports that 75% of the vehicles passing through a checkpoint are from within the state. What is the probability that fewer than 4 of the next 9 vehicles are from out of state? Find standard deviation

Vehicles passing through a check point are from within the state?

b)The probability that a person will die when he or she contracts a virus infection is 0.001. Of the next4000 people infected, what is the mean number who will die?

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